@charset "utf-8";


html {
    font-size: 100%;
    color: #3c3c3c;

    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family:'Poppins',
    'Hiragino Kaku Gothic ProN',
    'Yu Gothic',
    'Meiryo',
    sans-serif;
    font-weight: 400;
    font-style: normal;
    line-height: 1.7;
    letter-spacing: 0.05em;
}

img {
    max-width: 100%;
    vertical-align: bottom;
}

li {
    list-style-type: none;
    padding-left: 0px;
}


/* header */

.nav {
    display: flex;
    align-items: center; 
    justify-content: space-between; 
    background-color: #3c3c3c;
    padding: 0 1.75rem;
    height: 70px; 
    box-sizing: border-box;

    position: fixed;   
    top: 0;
    left: 0;
    width: 100%;

    z-index: 100;      

    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    background: rgba(60, 60, 60, 0.9);
    backdrop-filter: blur(3px);
}

.nav-logo img {
    height: 40px;  
    width: auto;
}

.global-nav__item {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    margin: 0;        
    padding: 0;      
    align-items: center; 
}

.global-nav__item a {
    color: #ccc;             
    text-decoration: none;    
    transition: 0.3s;

    width: 100%;
    display: block;
}

.global-nav__item a:hover {
    color: #fff;             
    text-decoration: none;    
}

.sns-links {
    display: flex;
    gap: 15px;
    align-items: center;
}

.sns-links img {
    width: 24px;
    height: auto;
    opacity: 0.8;
    transition: 0.3s;
    display: block;
}

.sns-links img:hover {
    opacity: 1;
}

/* ハンバーガー（初期は非表示） */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 100;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: #fff;
    transition: 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* main */

main {
    margin-top: 70px; /* ナビの高さと同じにする */
}

.index-hero {
    height: 100vh;
    background-image: url("../images/index-hero.png"); 
    background-size: cover;
    background-position: bottom;
    background-repeat: no-repeat;

    animation: heroMove 6s ease-out forwards;

    position: relative;
    z-index: 1;
}

@keyframes heroMove {
    from {
        background-position: top;
    }
    to {
        background-position: bottom;
    }
}

.month-list {
    display: flex;
    justify-content: space-between;
    align-items: center;

    max-width: 1000px;
    margin: 80px auto 40px;
    padding: 0 20px;

    list-style: none;
}

/* 共通 */

.month-list_item a {
    text-decoration: none;
    color: #3c3c3c;
    position: relative;
}

.month-list_item:first-child a::before {
    font-size: clamp(1rem, 0.909rem + 0.45vw, 1.25rem);
    content: "";
    margin-right: 8px;
}

.month-list_item:last-child a::after {
    font-size: clamp(1rem, 0.909rem + 0.45vw, 1.25rem);
    content: "";
    margin-left: 8px;
}

.month {
    font-size: clamp(1.25rem, 1.068rem + 0.91vw, 1.75rem);
}

.year {
    font-size: clamp(1rem, 0.909rem + 0.45vw, 1.25rem);
    letter-spacing: 0.1em;
}

.month-list_item a:hover {
    opacity: 0.6;
}

.month-list_item:first-child a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 60px;
    height: 1px;
    background: #3c3c3c;
}

.month-list_item:last-child a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -5px;
    width: 60px;
    height: 1px;
    background: #3c3c3c;
}

.event-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;

    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.event-list_item {
    position: relative;
    overflow: hidden;
}

.event-list_item a {
    display: block;
    position: relative;
}

.event-list_item img {
    width: 100%;
    height: auto;
    display: block;
}

.event-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;

    padding: 15px 15px 10px;
    box-sizing: border-box;

    color: #fff;

    background: linear-gradient(
        to top,
        rgba(60,60,60,0.9),
        rgba(60,60,60,0)
    );
}

.event-date {
    font-size: clamp(0.75rem, 0.568rem + 0.91vw, 1.25rem);
    margin-bottom: 0;
}

.event-title {
    font-size: clamp(0.75rem, 0.477rem + 1.36vw, 1.5rem);
    margin-top: 0;
    margin-bottom: 0;
}

.event-list_item {
    position: relative;
    overflow: hidden;
    transition: 0.3s;
}

.event-list_item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.event-list_item img {
    transition: 0.3s;
}

.event-list_item:hover img {
    transform: scale(1.05);
}

.more {
    margin: clamp(1.875rem, 1.307rem + 2.84vw, 3.438rem) auto;
    font-size: clamp(0.75rem, 0.477rem + 1.36vw, 1.5rem);
    text-align: center;
}

.more a {
    text-decoration: none;
    color: #3c3c3c;
    position: relative;
}

.more a:hover{
    opacity: 0.6;
}

.more a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -5px;
    width: clamp(6.25rem, 4.432rem + 9.09vw, 11.25rem);
    height: 1px;
    background: #3c3c3c;
}

.about {
    position: relative;

    background-image: url("../images/hero2.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    min-height: 500px;
}

.about-txt {
    font-size: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);
    margin-bottom: clamp(1.563rem, 0.994rem + 2.84vw, 3.125rem);
}

.about-set {
    position: absolute;
    inset: 0;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    max-width: 100%;
    text-align: center;
    
    color: #ffffff;
    text-align: center;
}

.about-logo {
    width: 100%;
    width: clamp(9.375rem, 5.966rem + 17.05vw, 18.75rem);
    height: auto;

    margin: clamp(2.813rem, 2.472rem + 1.7vw, 3.75rem) auto 
    clamp(1.6rem, 1.455rem + 0.73vw, 2rem);
}

.pagetop {
    position: fixed;
    right: clamp(10px, 3vw, 20px);
    bottom: clamp(20px, 5vw, 40px);
  
    width: clamp(60px, 10vw, 120px);
  
    z-index: 999;

    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
    animation: sway 3s ease-in-out infinite;
  }

  .pagetop.show {
    opacity: 1;
    visibility: visible;
  }
  
  .pagetop img {
    width: 100%;
    height: auto;
    display: block;
  }


@keyframes sway {
    0%   { transform: rotate(0deg); }
    25%  { transform: rotate(3deg); }
    50%  { transform: rotate(0deg); }
    75%  { transform: rotate(-3deg); }
    100% { transform: rotate(0deg); }
}

/* footer */

.footer {
    background-color: #3c3c3c;
    color: #fff;
    font-size: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);
    text-align: center;
    line-height: 1.7;

    padding: 20px 0;
}

.footer-name {
    font-size: clamp(1rem, 0.818rem + 0.91vw, 1.5rem);
}

.sns-links_footer {
    display: flex;
    gap: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);
    margin: clamp(0.75rem, 0.659rem + 0.45vw, 1rem) 0;
    align-items: center;
    justify-content: center;
}

.sns-links_footer img {
    width: clamp(1rem, 0.818rem + 0.91vw, 1.5rem);
    height: auto;
    opacity: 0.8;
    transition: 0.3s;
    display: block;
}
.sns-links_footer img:hover {
    opacity: 1;
}

.contact-btn {
    font-size: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);

    border: 1px solid #fff;

    display: block;
    width: fit-content;
    margin: 30px auto; 

    padding: clamp(0.5rem, 0.245rem + 1.27vw, 1.2rem) clamp(2rem, 1.818rem + 0.91vw, 2.5rem);

    color: #fff;
    text-decoration: none;

    transition: 0.3s;
}

.contact-btn:hover {
    background-color: #fff;
    color: #3c3c3c;
}

.tel a {
    color: inherit;          /* 親の色を使う */
    text-decoration: none;   /* 下線消す */
    pointer-events: none;    /* PCではクリック無効 */
}

/* about.html */

.about-title {
    font-size: clamp(1.5rem, 1.318rem + 0.91vw, 2rem);
    font-weight: 400;
    letter-spacing: 0.1em;
    text-align: center;

    position: relative; 
    margin-bottom: 30px;
}


.about-title::after {
    content: "";
    display: block;

    width: clamp(10.625rem, 8.693rem + 9.66vw, 15.938rem); 
    height: 2px;

    background-color: #d9420b; 

    margin: 0.25rem auto 0; 
}

.about-title:first-child {
    margin-top: 0;
}


.about-booking,.about-rental,.about-equipment {
    margin-top: clamp(3rem, 2.273rem + 3.64vw, 5rem);
}

.about-main {
    background-image: url("../images/index-hero.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    padding: clamp(2.75rem, 2.25rem + 2.5vw, 4.125rem) clamp(3rem, 2.273rem + 3.64vw, 5rem);
}

.about-inner {
    max-width: 920px;
    margin: 0 auto;

    background-color: rgba(255,255,255,0.98);
    padding: clamp(2.75rem, 2.25rem + 2.5vw, 4.125rem) 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.about-txt2 {
    font-size: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);
    text-align: center;
}

.about-list {
    font-size: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);

    width: fit-content;
    text-align: left;
    margin: clamp(1.75rem, 1.477rem + 1.36vw, 2.5rem) auto;
    padding-left: 0;
    list-style: none;
}

.about-list li::before {
    content: "・";
    margin-right: 5px;
}

.contact-btn2 {
    font-size: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);

    border: 1px solid #3c3c3c;

    display: block;
    width: fit-content;
    margin: 30px auto; 

    padding: clamp(0.5rem, 0.245rem + 1.27vw, 1.2rem) clamp(2rem, 1.818rem + 0.91vw, 2.5rem);

    color: #3c3c3c;
    text-decoration: none;

    transition: 0.3s;
}

.contact-btn2:hover {
    background-color: #3c3c3c;
    color: #fff;
}

/* live.html */

.live-page{
    margin: 0 auto clamp(4.375rem, 3.92rem + 2.27vw, 5.625rem);
}

/* live子ページ */

.live-detail {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px clamp(4.063rem, 3.722rem + 1.7vw, 5rem);
}

.live-detail_inner {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

/* 左画像 */
.live-detail_img {
    width: 40%;
    border-radius: 10px;
}

.live-detail_img img {
    width: 100%;
    height: auto;
    display: block;
}

/* 右テキスト */
.live-detail_info {
    font-size: clamp(0.875rem, 0.83rem + 0.23vw, 1rem);

    width: 60%;
    padding-top: 10px;
}

.live-title {
    font-size: clamp(1.25rem, 1.068rem + 0.91vw, 1.75rem);
    margin-bottom: 10px;
}

.live-date,
.live-time,
.live-price,
.live-artist {
    margin-bottom: 10px;

    border-bottom: 1px solid #ddd;
    padding-bottom: 8px;
}

.live-text {
    margin-top: 20px;
    line-height: 1.8;
}

.event-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;

    max-width: 1000px;
    margin: 0 auto clamp(4.063rem, 3.722rem + 1.7vw, 5rem);
    padding: 0 20px;
}

.event-nav a {
    text-decoration: none;
    color: #3c3c3c;
    position: relative;
    font-size: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);
}

/* 左 */
.event-nav_prev::after {
    font-size: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);

    content: "";
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 60px;
    height: 1px;
    background: #3c3c3c;
}

/* 右 */
.event-nav_next::after {
    font-size: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);

    content: "";
    position: absolute;
    right: 0;
    bottom: -5px;
    width: 60px;
    height: 1px;
    background: #3c3c3c;
}

/* 中央ボタン */
.event-nav_list {
    font-size: clamp(0.75rem, 0.705rem + 0.23vw, 0.875rem);

    padding: 8px clamp(1.25rem, 1.023rem + 1.14vw, 1.875rem);
    border: 1px solid #3c3c3c;
    transition: 0.3s;
}

.event-nav_list:hover {
    background: #3c3c3c;
    color: #fff;
}

/* hover共通 */
.event-nav a:hover {
    opacity: 0.6;
}

/* schedule.html */

.page-title {
    font-size: clamp(1.75rem, 1.477rem + 1.36vw, 2.5rem);
    font-weight: 400;
    letter-spacing: 0.1em;
    text-align: center;
    margin-top: clamp(6.25rem, 4.977rem + 6.36vw, 9.75rem);
    margin-bottom: clamp(1.875rem, 0.602rem + 6.36vw, 5.375rem);
}

.calendar-link {
    max-width: 920px;
    margin: 0 auto clamp(4.375rem, 3.92rem + 2.27vw, 5.625rem);
}

.calendar-link iframe {
    width: 100%;
    aspect-ratio: 4 / 3;
    height: auto;

    display: block;
}

/* rental.html */

.hero-img {
    width: 100%;
    height: 400px;   
    overflow: hidden; 
  }
  
.hero-img img {
    width: 100%;
    height: 100%;      
    object-fit: cover; 
  }

.floor-map {
    text-align: center;
}

.floor-map_title {
    font-size: clamp(1.25rem, 1.068rem + 0.91vw, 1.75rem);
    font-weight: 400;
    letter-spacing: 0.1em;
    margin-top: clamp(3rem, 2.591rem + 2.05vw, 4.125rem);
}

.floor-img {
    max-width: 800px;
    margin: clamp(1.5rem, 1.227rem + 1.36vw, 2.25rem) auto
            clamp(3.875rem, 3.648rem + 1.14vw, 4.5rem);
    display: block;
}

.floor-info {
    margin-bottom: clamp(4.125rem, 3.67rem + 2.27vw, 5.375rem);
}

.floor-info_list {
    display: grid;
    grid-template-columns: 1fr auto;

    max-width: 920px;
    margin: clamp(3.375rem, 3.057rem + 1.59vw, 4.25rem) auto clamp(3.375rem, 3.057rem + 1.59vw, 4.25rem);
    padding: 0 2rem;

    row-gap: 20px;

    font-size: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);
}

.floor-info_item {
    padding: clamp(0.25rem, 0.159rem + 0.45vw, 0.5rem) 0;
    border-bottom: 1px solid #ddd;
}

.floor-info_item:nth-child(2n) {
    text-align: right;
}

/* equipment.html */

.equipment-inner {
    max-width: 920px;
    margin: 0 auto;

    background-color: rgba(255,255,255,0.98);
    padding: clamp(0.75rem, 0.659rem + 0.45vw, 1rem) 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.equipment-main {
    background-image: url("../images/index-hero.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    padding: 0 clamp(3rem, 2.273rem + 3.64vw, 5rem) clamp(2.75rem, 2.25rem + 2.5vw, 4.125rem);
}

.equipment-box {
    background-color: #fff;
    padding: 20px;

    margin: clamp(1.5rem, 1.364rem + 0.68vw, 1.875rem) 0;
    padding: 20px;
  }

.equipment-title {
    font-size: clamp(1.5rem, 1.409rem + 0.45vw, 1.75rem);
    font-weight: 400;
    letter-spacing: 0.1em;

    border-bottom: 2px solid #d9420b;
    padding-bottom: 5px;
    margin-top: 0;
}

.equipment-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px 20px;

    font-size: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);

    list-style: none;
    padding: 0;
    margin: 0;
}
  
  .equipment-list li {
    background-color: #f9f9f9; 
    padding: 12px;
    margin-bottom: 10px; 
    border-radius: 4px;
  }

  .equipment-txt1 {
    font-size: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);
    text-align: center;
    margin-top: clamp(2rem, 1.636rem + 1.82vw, 3rem);
  }

  .equipment-txt2 {
    font-size: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);
  }

/* access.html */

.page-title {
    font-weight: 400;
    letter-spacing: 0.1em;
    text-align: center;
    margin-top: clamp(6.25rem, 4.977rem + 6.36vw, 9.75rem);
    margin-bottom: clamp(1.875rem, 0.602rem + 6.36vw, 5.375rem);
}

.map-link {
    max-width: 920px;
    margin: 0 auto;
}

.map-link iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    height: auto;

    border: 1px solid #3c3c3c;
}

.access-date {
    font-size: clamp(0.75rem, 0.659rem + 0.45vw, 1rem);
    line-height: 1.6;

    max-width: 920px;
    margin: 1.75rem auto clamp(4.375rem, 3.92rem + 2.27vw, 5.625rem);

    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 10px clamp(0.75rem, 0.568rem + 0.91vw, 1.25rem);
}

.access-date * {
    margin: 0;
}

/* contact.html */

.contact-page {
    text-align: center;
    padding: 0 20px;
  }
  
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
  }
  
.form-group {
    margin-bottom: 24px;
  }
  
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: clamp(0.75rem, 0.705rem + 0.23vw, 0.875rem);
  }
  
.required {
    color: red;
    font-size: clamp(0.625rem, 0.58rem + 0.23vw, 0.75rem);
    margin-left: 6px;
  }
  
input,textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #999;
    border-radius: 6px;
    font-size: 14px;
    background-color: #f5f5f5;
  }

textarea {
    height: 160px;
    resize: vertical;
    background-color: #f5f5f5;
  }
  
.submit-btn {
    font-size: clamp(0.75rem, 0.705rem + 0.23vw, 0.875rem);
    display: block;
    margin: 30px auto  clamp(4.375rem, 3.92rem + 2.27vw, 5.625rem);
    padding: 10px 40px;
    border: 1px solid #999;
    background-color: #eee;
    cursor: pointer;
    border-radius: 8px;
  }
  
.submit-btn:hover {
    background-color: #ddd;
  }

.contact-form {
    margin: 0 auto;
  }

input,textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #999;
    border-radius: 8px;

    box-sizing: border-box;
    }


/* media */

@media (max-width: 1024px) {
    .event-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 920px) {
    .access-date{
        padding-left: 1rem;
    }

    .calendar-link {
        padding: 0 1rem;
    }
}

@media (max-width: 768px) {

    .hamburger {
        display: flex;
    }

    .global-nav {
        position: absolute;
        top: 70px;
        right: 0;
        width: 100%;
        background: rgba(60, 60, 60, 0.95);

        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: 0.3s;
    }

    .global-nav.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .global-nav__item {
        flex-direction: column;
        padding: 40px 20px;
        gap: 20px;
        align-items: flex-start;
    }
}

@media screen and (max-width: 768px) {
    .sns-links {
      display: none;
    }
  }

@media screen and (max-width: 768px) {
    .equipment-list {
      grid-template-columns: repeat(2, 1fr); /* スマホは2列 */
    }
  }

  @media (max-width: 768px) {
    .live-detail_inner {
        flex-direction: column;
    }

    .live-detail_img,
    .live-detail_info {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .tel a {
        pointer-events: auto; /* スマホだけ有効 */
    }
}

@media (max-width: 600px) {
    .event-list {
        grid-template-columns: 1fr;
        max-width: 350px;
        margin: 0 auto;
    }
}

@media (max-width: 600px) {

    .about-logo {
        max-width: 200px; 
    }

}

@media (max-width: 600px) {
    .event-nav {
        flex-direction: column;
        gap: 20px;
    }

    .event-nav_prev,
    .event-nav_next {
        width: 100%;
        text-align: center;
    }

    .event-nav_prev::after,
    .event-nav_next::after {
        left: 50%;
        transform: translateX(-50%);
    }
}