@charset "UTF-8";

/* ============================================
   Reset & Base
   ============================================ */
* {
    margin: 0;
    padding: 0;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --color-bg: #FFECFF;
    --color-main: #000041;
    --color-white: #fff;
    --color-footer: #000041;
    --color-nav: #000066;
    --color-nav-h: #c0c0ff;
    --color-a: #3f79ff;
    --color-a-h: #b7f8de;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}


@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

body {
    background-color: var(--color-bg);
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    color: var(--color-main);
    line-height: 1.6;
}

#container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-white);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--color-a);
}

a:hover {
    color: var(--color-a-h);
}

h1,h2,h3,h4,h5,h6{margin-bottom:2rem;}
h1{font-size:3rem;}
h2{font-size:2.4rem;}
h3{font-size:2rem;}
h4{font-size:1.6rem;}
h5{font-size:1.4rem;}

p{margin-bottom:1rem;}

hr {
  border: none;
  border-top: 1px dashed var(--color-main);
  margin:20px 0px;
}

.mag-b10{margin-bottom: 10px;}



/* ============================================
   Navigation (Gnav)
   ============================================ */
#gnav ul {
    display: flex;
    flex-wrap: wrap;

    list-style: none;
}

#gnav li {
    flex: 1;
    min-width: 120px;

}

#gnav li a {
    display: block;
    padding: 12px 5px;

    text-decoration: none;
    text-align: center;
    font-size: 14px;
    color: var(--color-white);
    background-color: var(--color-nav);
    border-right: 1px solid var(--color-white);
}

#gnav li a:hover {
    background-color: var(--color-nav-h);
}

/* ============================================
  header,footer
   ============================================ */

#header {
    padding: 10px;
}

#header h1 {
    font-size: 3vw;
}

#footer {
    padding: 10px;
    background-color: var(--color-footer);
    color: var(--color-white);
    text-align: center;
    font-size: 12px;
}

.main-visual {
    margin: 0 -10px;
}

/* ============================================
   Original infoArea
   ============================================ */
#contents h2 {
    text-align: center;
    font-family: 'Hiragino Mincho ProN', serif;
    margin-bottom: 30px;
}

#contents h2 small {
    font-size: 70%;
}

.cntBox {
    background-color: var(--color-white);
    padding: 20px;
}

.infoArea {
    overflow-y: scroll;
    overflow-x: hidden;
    height: 500px;
    background-color: var(--color-white);
    padding-left: 10px;
    border: 1px solid #EEE;
    /* 枠線を追加して視認性向上 */
}

.infoArea h4 {
    background-color: var(--color-white);
    font-weight: bold;
    margin-top: 10px;
    margin-bottom: 20px;
    font-size: 115%;
    text-align: left;
}

.infoArea dt,
.infoArea dd {
    background-color: var(--color-white);
    line-height: 1.6;
    font-size: 115%;
}

.infoArea dd {
    padding-bottom: 10px;
}

.infoArea dl {
    border-bottom: 1px solid var(--color-main);
    padding-bottom: 10px;
    margin-bottom: 10px;
    text-align: left;
}

/* ============================================
   Other Sections (Profile, Schedule, etc.)
   ============================================ */
.conBox {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 20px;
}

.conImgL {
    flex: 0 0 297px;
    /* 固定幅ではなくベース幅として指定 */
    max-width: 100%;
}

.conTxtL,
.repertTxtR,
.schTxtL,
.linkTxtL {
    flex: 1;
    min-width: 300px;
}

/* Table (Contact) */
.tableA {
    width: 100%;
    border-collapse: collapse;
    border-top: 1px solid #999;
    border-right: 1px solid #999;
}

.tableA th,
.tableA td {
    border-left: 1px solid #999;
    border-bottom: 1px solid #999;
    padding: 10px;
    font-size: 14px;
}

.tableA th {
    background: #f5f4f2;
    width: 200px;
}

input[type="text"],
textarea {
    width: 100%;
    /* 固定幅350pxから100%へ */
    max-width: 350px;
    padding: 5px;
}

/* ============================================
   Backtop
   ============================================ */
.bctBox {
    text-align: right;
}

/* ============================================
   Button
   ============================================ */

.btn-purchase {
  display: inline-block;
  padding: 12px 28px;
  background-color: #ef6799;
  color: #ffffff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  transition: all 0.3s ease;
}

.btn-purchase:hover {
  background-color: #ef6799;
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.15);
}

.btn-listen {
  display: inline-block;
  padding: 12px 28px;
  background-color: #8b2f3d;
  color: #ffffff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  transition: all 0.3s ease;
  margin-bottom:10px;
}

.btn-listen:hover {
  background-color: #6f2430;
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.15);
}

/* ============================================
   Responsive (Smartphone)
   ============================================ */
@media screen and (max-width: 600px) {
    #gnav li {
        flex: 1 1 50%;
        border-bottom: 1px solid var(--color-white);
    }

    /* スマホではスクロールさせず全表示（ユーザビリティ向上） */
    .infoArea {
        height: auto;
        overflow: visible;
        padding-left: 0;
    }

    .infoArea h4,
    .infoArea dt,
    .infoArea dd {
        font-size: 105%;
        /* 少し小さく調整 */
    }

    /* カラムを縦並びに */
    .proBox,
    .repertBox,
    .linkBox {
        flex-direction: column;
    }

    .proImgL,
    .repertImgL {
        margin: 0 auto;
    }

    .tableA th,
    .tableA td {
        display: block;
        width: 100%;
    }

    .tableA th {
        border-bottom: none;
    }
}