:root {
    --light: rgba(242, 242, 242, 1);
    --deep: rgba(51, 51, 51, 1);
    --accent: rgba(69, 177, 203, 1);
}

header {
    height: 280px;
    padding-top: 90px;
    margin-left: 16px;
}
.contents {
}

h1 {
    color: var(--deep);
    font-family: "Noto Sans JP", Helvetica;
    font-size: 52px;
    font-style: normal;
    font-weight: 900;
    letter-spacing: 3.2px;
    line-height: 52px;
    min-height: 52px;
    margin: 0 0 15px 0;
}
.h1-additional-text {
    height: 24px;
    color: var(--deep);
    font-family: "Noto Sans JP", Helvetica;
    font-size: 24px;
    font-style: normal;
    font-weight: 500;
    letter-spacing: 2px;
    line-height: 24px;
    min-height: 24px;
    white-space: nowrap;
}

/* section-common */
#main section {
    margin-bottom: 60px;
}
#main .section-title {
    display: flex;
    flex-direction: row;
}
#main .section-label {
    font-size: 24px;
    line-height: 24px;
    width: 46px;
    height: 46px;
    border-radius: 46px;
    background-color: var(--light);
    border: 2px solid var(--deep);
    display: flex;
    align-items: center;
    justify-content: center;
}
#main .section-name {
    font-size: 28px;
    line-height: 28px;
    font-weight: 700;

    letter-spacing: 3px;
    margin: 0 0 0 16px;
    padding: 0 0 16px 0;
    border-bottom: solid 2px var(--deep);
}
/* section-title と item の間の線を埋める */
#main .pad {
    content: '';
    height: 14px;
    width: 100%;
    margin: 0 0 0 22px;
    border-left: 2px solid var(--deep);
}
/* section-title と item の間に文字を入れたいときに使う */
#main .pad-wit-text {
    line-height: 1.5em;
    padding: 14px 0 7px 40px;
    width: 100%;
    margin: 0 0 0 22px;
    border-left: 2px solid var(--deep);
}
#main .node {
    content: '';
    width: 16px;
    height: 16px;
    margin-left: 15px;
    position: absolute;
    border-radius: 16px;
    border: 2px solid var(--deep);
    background: var(--light);
}

#main .item-wrap { padding: 0;}
#main .item { margin: 0 0 0 22px; }
#main .item:not(:last-child) { padding-bottom: 20px; }
#main .item-text {
    padding-top: 0.5em;
    line-height: 1.5em;
}
#main .item:not(:last-child) { border-left: 2px solid var(--deep); }
#main .section-text {
    margin: 16px 0 16px 16px;
    line-height: 1.5em;
}

/* about me section */
.about-me .section-name { width: 100%; }

.time-series-section .section-name, .list-section .section-name { width:580px; }

/* time-series section */
.time-series-section .item {
    align-items: flex-start;
    display: flex;
    flex-direction: row;
    margin-right: 0;
}
.time-series-section .text-term {
    letter-spacing: -0.6px;
    line-height: 16px;
    margin-left: 24px;
    margin-right: 40px;
    width: 140px;
}
.time-series-section .item-headline {
    font-size: 20px;
    line-height: 20px;
    font-weight: 500;
}

/* list section */
.list-section .item-headline, .list-section .item-text {
    margin-left: 40px;
}

/* publication section */
.publication .item-headline {
    line-height: 1.2em;
    font-weight: 500;
}

/* skills section */
.skills ul {
    margin: 0;
    padding: 0;
}
.skills .item-headline {
    line-height: 20px;
}
.skills .item-text {
    columns: 2;
    -webkit-columns: 2;
    -moz-columns: 2;
}
.skill-item {
    display: flex;
    flex-direction: row;
    line-height: 1.5em;
    margin-right: 20px;
}
.skill-item:not(:last-child) {
    margin-bottom: 0.5em;
}
.skill-name { flex: 2; }
.skill-level { flex: 1; }
.skill-level {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
}
.fill-circle, .empty-circle {
    width: 12px;
    height: 12px;
    border-radius: 12px;
}
.fill-circle:not(:last-child), .empty-circle:not(:last-child) {
    margin-right: 2px;
}
.fill-circle {
    background-color: var(--deep);
}
.empty-circle {
    border: 2px solid var(--deep);
}